Head to head
Stop guessing which one. Put them side by side.
Up to 4 tools, same rows for each: what it is, what it really costs, the trap, and how to wire it up. The URL carries your picks — send it to anyone.
Hume AIAdobe FireflyBlack Forest Labs (FLUX)
| Field | Hume AIhume.ai | Adobe Fireflyfirefly.adobe.com | Black Forest Labs (FLUX)bfl.ai |
|---|---|---|---|
| What it is | Speech company focused on emotional prosody. Octave 2 is an LLM-based TTS that reads context to decide how a line should be delivered and accepts plain-language acting directions. EVI is its empathic voice interface for agents, and an Expression Measurement API scores emotion in audio, video and text. | Adobe's generative suite, currently on Firefly Image 5, trained on Adobe Stock, openly licensed and public-domain material rather than scraped web images. Now also brokers third-party models and generates video. Credit cost varies by model: Image 5 is 10 credits, Image 4 Ultra 20. | The FLUX family from the ex-Stable Diffusion team. FLUX.2 ships as klein, dev, pro, flex and max; FLUX 3 landed 26 July 2026 as one multimodal model doing image, 20-second video with native audio, and robot action prediction, still in gated early access. |
| Category | AI media generation | AI media generation | AI media generation |
| Cost tier | mixed | mixed | mixed |
| Pricing | Free 10K chars/mo, no commercial licence. Starter $3 (30K), Creator $14 (140K, commercial), Pro $70 (1M), Scale $200 (3.3M), Business $500 (10M). Overage $0.05-$0.15 per 1K characters. | Free tier with limited watermarked credits. Standard $9.99/mo (2,000 credits), Pro $19.99 (4,000), Premium $199.99 (50,000). API is enterprise contract only. | API per image: FLUX.2 klein from $0.014, pro from $0.03, flex $0.05, max $0.07. Kontext pro $0.04, max $0.08. Open weights free to self-host. |
| Why builders pick it | The only TTS you can direct like an actor - tell it to sound sarcastic, hesitant or relieved and it complies rather than just reading the words. Best fit for narrative games, audio drama and characters that need real range. | The pick when legal sign-off matters more than raw quality: Adobe offers IP indemnification to enterprise customers, which no other major generator does. Deep native integration into Photoshop, Illustrator and Express beats any bolt-on plugin. | The pragmatic pick when image generation lives inside your own product: cheap per-image API, plus dev and klein open weights you can run on your own GPUs with no per-call fee. Kontext remains the best instruction-based image editor. |
| Watch out for | The commercial licence starts at the $14 Creator plan; the Free and $3 Starter tiers explicitly exclude commercial use. Overage rates vary nearly 3x across tiers, so heavy usage on a low plan gets expensive quickly. | Free-tier outputs are watermarked. Consumer plans include no API access at all - Firefly Services is an enterprise sales contract with no published rate card, and community reports suggest a starting commitment near $1,000/month. | Open weights are not an open licence - dev and klein are non-commercial unless you buy a BFL commercial self-hosting licence. FLUX 3 access is staged and gated: video first, image later, open weights last. |
| How to wire it up | REST and WebSocket APIs for Octave TTS, EVI and Expression Measurement; measurement is pay-as-you-go from $0.0639/min. | Firefly Services API is enterprise-only via Adobe Sales; there is no self-serve developer tier. | Direct REST API at api.bfl.ai, plus resale through fal, Replicate and Together. |
| Editor's pick | No | No | No |
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# Tool comparison — Hume AI vs Adobe Firefly vs Black Forest Labs (FLUX) Source: Kbaise, a directory of tools that work with Lovable projects. Pick one and tell me why before writing any integration code. ## Hume AI (hume-ai) - URL: https://www.hume.ai - Category: AI media generation - Cost: mixed — Free 10K chars/mo, no commercial licence. Starter $3 (30K), Creator $14 (140K, commercial), Pro $70 (1M), Scale $200 (3.3M), Business $500 (10M). Overage $0.05-$0.15 per 1K characters. - What it is: Speech company focused on emotional prosody. Octave 2 is an LLM-based TTS that reads context to decide how a line should be delivered and accepts plain-language acting directions. EVI is its empathic voice interface for agents, and an Expression Measurement API scores emotion in audio, video and text. - Why builders pick it: The only TTS you can direct like an actor - tell it to sound sarcastic, hesitant or relieved and it complies rather than just reading the words. Best fit for narrative games, audio drama and characters that need real range. - Trap: The commercial licence starts at the $14 Creator plan; the Free and $3 Starter tiers explicitly exclude commercial use. Overage rates vary nearly 3x across tiers, so heavy usage on a low plan gets expensive quickly. - Wiring: REST and WebSocket APIs for Octave TTS, EVI and Expression Measurement; measurement is pay-as-you-go from $0.0639/min. - Full dossier: /api/public/tools/hume-ai ## Adobe Firefly (adobe-firefly) - URL: https://firefly.adobe.com - Category: AI media generation - Cost: mixed — Free tier with limited watermarked credits. Standard $9.99/mo (2,000 credits), Pro $19.99 (4,000), Premium $199.99 (50,000). API is enterprise contract only. - What it is: Adobe's generative suite, currently on Firefly Image 5, trained on Adobe Stock, openly licensed and public-domain material rather than scraped web images. Now also brokers third-party models and generates video. Credit cost varies by model: Image 5 is 10 credits, Image 4 Ultra 20. - Why builders pick it: The pick when legal sign-off matters more than raw quality: Adobe offers IP indemnification to enterprise customers, which no other major generator does. Deep native integration into Photoshop, Illustrator and Express beats any bolt-on plugin. - Trap: Free-tier outputs are watermarked. Consumer plans include no API access at all - Firefly Services is an enterprise sales contract with no published rate card, and community reports suggest a starting commitment near $1,000/month. - Wiring: Firefly Services API is enterprise-only via Adobe Sales; there is no self-serve developer tier. - Full dossier: /api/public/tools/adobe-firefly ## Black Forest Labs (FLUX) (black-forest-labs) - URL: https://bfl.ai - Category: AI media generation - Cost: mixed — API per image: FLUX.2 klein from $0.014, pro from $0.03, flex $0.05, max $0.07. Kontext pro $0.04, max $0.08. Open weights free to self-host. - What it is: The FLUX family from the ex-Stable Diffusion team. FLUX.2 ships as klein, dev, pro, flex and max; FLUX 3 landed 26 July 2026 as one multimodal model doing image, 20-second video with native audio, and robot action prediction, still in gated early access. - Why builders pick it: The pragmatic pick when image generation lives inside your own product: cheap per-image API, plus dev and klein open weights you can run on your own GPUs with no per-call fee. Kontext remains the best instruction-based image editor. - Trap: Open weights are not an open licence - dev and klein are non-commercial unless you buy a BFL commercial self-hosting licence. FLUX 3 access is staged and gated: video first, image later, open weights last. - Wiring: Direct REST API at api.bfl.ai, plus resale through fal, Replicate and Together. - Full dossier: /api/public/tools/black-forest-labs ## Rules 1. Prefer the free tier when no budget was stated, and say what the ceiling is. 2. Read the full dossier before integrating. 3. Fetch /api/public/models before writing any AI model ID.
Agents can fetch the same thing: GET /api/public/compare?slugs=hume-ai,adobe-firefly,black-forest-labs